Lovebug

Allie Arasi

— Lucy

Matteo Mlinarevic

— Cooper

Cooper Alexander

— Young Cooper

Leven Edgar

— Katie

Jude Friedman

— Billy

Isabella Kaplan

— Millie

Paxton Kubitz

— Noah

Hayden Logan

— Will

Sarah Parlow

— Mom

Nora Shultz

— Teen 1

Joe Hoodenpyle

— Teen 2

Travis Deane

— Teen 3

Nena Oshita

— Extra